20359

Properties

Appears in sequences

• Schoenheim bound L_1(n,7,6).at n=17A036834
• Last member of a sexy prime quadruple: value of p+18 such that p, p+6, p+12 and p+18 are all prime.at n=35A046124
• Values of A (the short leg) of a Pythagorean triangle with A and C (the hypotenuse) both prime and part of a twin prime.at n=36A051642
• Numbers k such that k^2 contains only digits {1,4,8}.at n=12A053900
• Primes p such that x^36 = 2 has no solution mod p, but x^12 = 2 has a solution mod p.at n=25A059668
• Smallest prime of the form n^j+(n+1)^k, with j,k integer, min(j,k)>1.at n=25A093576
• Indices of primes in sequence defined by A(0) = 71, A(n) = 10*A(n-1) - 9 for n > 0.at n=21A101128
• Centered triangular numbers that are prime.at n=27A125602
• Primes occurring in A084704 exactly 4 times.at n=8A128655
• Smallest prime number of the form n^x+(n+1)^(x+1) where x >= 0.at n=25A130537
• Primes congruent to 4 mod 59.at n=38A142731
• Primes congruent to 46 mod 61.at n=39A142844
• Expansion of x/((1 - x - x^4)*(1 - x)^4).at n=18A145133
• Primes p such that p+p^2+p^3-+2 are also prime.at n=33A154821
• Primes of the form n^2 + (n+1)^3.at n=8A155933
• Primes p such that p-1 and p+1 each contain at least one cubed prime in their prime factorization.at n=30A162870
• Primes of the form ((p+1)/2)^3 + ((p-1)/2)^2 where p is prime.at n=6A163428
• Prime p of the form a^b + c^d = p, where a, b, c, d are also primes.at n=28A164074
• Prime p1 of the form a^b + c^d = p1, where a, b, c, d are primes and a + b + c + d = p2, where p2 (A164076) is also prime.at n=15A164075
• a(n) = n^3 + (1-n)^2.at n=27A168297